Analysis

  • max time kernel
    300s
  • max time network
    302s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 01:13

General

  • Target
    Payment Slip copy.scr
  • Size 618KB
  • Sample240902-bllccsxdkn
  • SHA256 795a83d84b04c245a8b0ad9221ea20a4635ad6654f22d533f499a5523ee2fe71
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • m49z

Decoy
  • ormswarm.xyz

  • awn-care-63587.bond

  • uymetanail5.online

  • mergencyloan007.xyz

  • 545.top

  • eiliao596.pro

  • ackersandmoverschennai.net

  • ehdiahmadvandmusicbest.click

  • tlgxmb2024.cloud

  • ulfcoastharborhopper.pro

  • rohns-disease-early-signs.today

  • oldenhorizonsbgcl.click

  • weetindulgencepro.xyz

  • yexoiup.xyz

  • yself-solar.net

  • kfirsatimla.online

  • bropub3.online

  • ouljourney.online

  • usvf76f.shop

  • onnaberich.online

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Users\Admin\AppData\Local\Temp\Payment Slip copy.scr
      "C:\Users\Admin\AppData\Local\Temp\Payment Slip copy.scr" /S
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment Slip copy.scr"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4472
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2380
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:5016
      • C:\Windows\SysWOW64\chkdsk.exe
        "C:\Windows\SysWOW64\chkdsk.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4048

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_n1f4kfof.tl1.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n1f4kfof.tl1.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/1396-72-0x00000000005B0000-0x00000000005DF000-memory.dmp

          memory/1396-61-0x0000000000620000-0x000000000062A000-memory.dmp

          memory/1396-62-0x0000000000620000-0x000000000062A000-memory.dmp

          memory/3476-10-0x0000000005EF0000-0x0000000005F66000-memory.dmp

          memory/3476-11-0x0000000006090000-0x000000000612C000-memory.dmp

          memory/3476-6-0x0000000006360000-0x00000000063FA000-memory.dmp

          memory/3476-7-0x00000000052E0000-0x00000000052F8000-memory.dmp

          memory/3476-8-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

          memory/3476-9-0x0000000074D40000-0x00000000754F0000-memory.dmp

          memory/3476-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

          memory/3476-5-0x0000000004E60000-0x0000000004E6A000-memory.dmp

          memory/3476-1-0x0000000000270000-0x000000000030C000-memory.dmp

          memory/3476-14-0x0000000074D40000-0x00000000754F0000-memory.dmp

          memory/3476-4-0x0000000074D40000-0x00000000754F0000-memory.dmp

          memory/3476-2-0x0000000005340000-0x00000000058E4000-memory.dmp

          memory/3476-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

          memory/3516-71-0x0000000004930000-0x00000000049F3000-memory.dmp

          memory/3516-76-0x0000000008E10000-0x0000000008F8C000-memory.dmp

          memory/3516-22-0x0000000004930000-0x00000000049F3000-memory.dmp

          memory/4472-19-0x0000000004E90000-0x0000000004EC6000-memory.dmp

          memory/4472-56-0x0000000007DE0000-0x000000000845A000-memory.dmp

          memory/4472-27-0x0000000005CD0000-0x0000000005D36000-memory.dmp

          memory/4472-26-0x0000000005C60000-0x0000000005CC6000-memory.dmp

          memory/4472-25-0x0000000005580000-0x00000000055A2000-memory.dmp

          memory/4472-15-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

          memory/4472-23-0x0000000004FF0000-0x0000000005000000-memory.dmp

          memory/4472-33-0x0000000005D70000-0x00000000060C4000-memory.dmp

          memory/4472-38-0x0000000006420000-0x000000000643E000-memory.dmp

          memory/4472-39-0x00000000064B0000-0x00000000064FC000-memory.dmp

          memory/4472-40-0x000000007F420000-0x000000007F430000-memory.dmp

          memory/4472-41-0x0000000006A10000-0x0000000006A42000-memory.dmp

          memory/4472-42-0x0000000070C00000-0x0000000070C4C000-memory.dmp

          memory/4472-45-0x0000000004FF0000-0x0000000005000000-memory.dmp

          memory/4472-43-0x0000000004FF0000-0x0000000005000000-memory.dmp

          memory/4472-54-0x0000000006A50000-0x0000000006A6E000-memory.dmp

          memory/4472-55-0x00000000074B0000-0x0000000007553000-memory.dmp

          memory/4472-17-0x0000000004FF0000-0x0000000005000000-memory.dmp

          memory/4472-57-0x0000000007760000-0x000000000777A000-memory.dmp

          memory/4472-58-0x00000000077D0000-0x00000000077DA000-memory.dmp

          memory/4472-59-0x00000000079E0000-0x0000000007A76000-memory.dmp

          memory/4472-60-0x0000000007960000-0x0000000007971000-memory.dmp

          memory/4472-24-0x0000000005630000-0x0000000005C58000-memory.dmp

          memory/4472-65-0x0000000004FF0000-0x0000000005000000-memory.dmp

          memory/4472-64-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

          memory/4472-63-0x0000000007990000-0x000000000799E000-memory.dmp

          memory/4472-68-0x0000000007A80000-0x0000000007A88000-memory.dmp

          memory/4472-66-0x00000000079A0000-0x00000000079B4000-memory.dmp

          memory/4472-67-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

          memory/5016-16-0x0000000001780000-0x0000000001ACA000-memory.dmp

          memory/5016-20-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/5016-21-0x0000000001740000-0x0000000001754000-memory.dmp

          memory/5016-12-0x0000000000400000-0x000000000042F000-memory.dmp